Want to create multiple actions for my character
You are currently workin in the dope sheet editor. To be able to work with multiple animations, you'll have to switch to the action editor.


to


Now create an animation by clicking the 'new' button.

When your first action is finished, don't forget to click the 'F' button next to your action name to save a 'fake-copy' so your animation doesn't get lost, because it is not the active action, when you reload/re-open your file.